69906324042 has 24 divisors (see below), whose sum is σ = 156686589540. Its totient is φ = 22498586880.

The previous prime is 69906324029. The next prime is 69906324067. The reversal of 69906324042 is 24042360996.

69906324042 is a `hidden beast` number, since 6 + 9 + 9 + 0 + 632 + 4 + 0 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 60255029961 + 9651294081 = 245469^2 + 98241^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66959559 + ... + 66960602.

Almost surely, 2^69906324042 is an apocalyptic number.

69906324042 is an abundant number, since it is smaller than the sum of its proper divisors (86780265498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69906324042 is a wasteful number, since it uses less digits than its factorization.

69906324042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133920198 (or 133920195 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 69906324042 in words is "sixty-nine billion, nine hundred six million, three hundred twenty-four thousand, forty-two".